This will never happen for the simple reason of money. A MWC (except BYU) can't bring the same kind of money that 95% of the other BCS schools can bring. In reality, automatic bids should just be gotten rid of, but that won't happen.

And whenever people start talking about conference affiliation, everyone forgets that there are other sports besides football involved in these matters. For example, even though Duke has been one of the worst football teams in the BCS conferences over the past decade, there is no way that the ACC would ditch them because of basketball. The same goes for San Diego State in most sports besides football. They do have a strong following in basketball with a team that usually is a contender.